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-rw-r--r--src/aig/gia/giaTim.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/gia/giaTim.c b/src/aig/gia/giaTim.c
index f4b5bcb6..dbad82c6 100644
--- a/src/aig/gia/giaTim.c
+++ b/src/aig/gia/giaTim.c
@@ -61,6 +61,7 @@ Gia_Man_t * Gia_ManDupNormalize( Gia_Man_t * p )
Gia_ManForEachCo( p, pObj, i )
pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) );
+ pNew->nConstrs = p->nConstrs;
assert( Gia_ManIsNormalized(pNew) );
Gia_ManDupRemapEquiv( pNew, p );
return pNew;